Home / 75,784.76-104,578.08-41,793.36

Finding the Fourth Proportional to 75,784.76, 104,578.08 and 41,793.36

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Solution

The fourth proportional to 75,784.76, 104,578.08 and 41,793.36 is: 57,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.76 : 104,578.08 = 41,793.36 : x
  2. Step 2: Convert to fraction form
    75,784.76/104,578.08 = 41,793.36/x
  3. Step 3: Cross multiply
    75,784.76x = 104,578.08 × 41,793.36
  4. Step 4: Simplify right side
    75,784.76x = 4,370,669,345.55
  5. Step 5: Solve for x
    x = 4,370,669,345.55/75,784.76
  6. Step 6: Final answer
    x = 57,672.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.